C2 splines covering polar configurations

  • Authors:
  • Ashish Myles;Jörg Peters

  • Affiliations:
  • CS Department, New York University, 715 Broadway, 12th Floor, New York, NY 10003, USA;CISE Department, Bldg 42, Rm E301, University of Florida, Gainesville, FL 32611, USA

  • Venue:
  • Computer-Aided Design
  • Year:
  • 2011

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Abstract

A polar configuration is a triangle fan in a quad-dominant mesh; it allows for many mesh lines to join at a single polar vertex. This paper shows how a single tensor-product spline of degree (3,6) can cap a polar configuration with a C^2 surface. By design, this C^2 polar spline joins C^2 with surrounding bi-3 tensor-product splines and thereby complements algorithms that smoothly cap star-like, multi-sided regions.